Backflow
Certified Backflow Assembly Testers
| Natures Best | 549-1196 | Mickelson Plumbing & Heating | 546-4469 |
| Big Sky Backflow Services, LLC | 493-0136 | Rankin Landscape | 726-5296 |
| KMR Water Tech (Kohler) | 531-3429 | Scott Owen Sprinklers | 240-5671 |
| D2 Fire Sprinkler Co., LLC | 546-0020 | Sentinel Mechanical | 721-5400 |
| Dirtman Sprinkler Co., LLC | 251-6291 | Temp-Right Service, Inc. | 728-1111 |
| Garden City Plumbing & Heating | 728-5550 | Western States Fire Protection Co. | 728-5242 |
| Montana Plumbing Co. | 926-1228 | Plumb-Tech | 251-3555 |
| Johnson Controls Fire Protection | 443-3660 | A&D Fire | 360-7726 |
| Z Water Solutions LLC | 239-6150 | Apex Plumbing & Heating | 728-9312 |
| Summit Fire & Security | 317-5266 | AAA Plumbing & Heating | 728-3131 |
| Williams Plumbing & Heating | 224-7171 |